Mystery Photo — Why aren’t these kids in school?

Time to play Mystery Photo. This week’s mystery comes to us from 1928. The mystery is this, why are all this children hanging out in front of these two buildings.

The Clues

1. The answer to the mystery is in the photo.

2. This formula should help C3H5(ONO2)3.

Think you know the answer to the mystery, leave a comment here on the blog, on Twitter @TTpagespast or on Facebook. The answer will be revealed on Tuesday, February 12 along with the story behind the photo.